Footwear sole



FIG. 1 is a bottom, front and left side perspective view of the footwear sole embodying the new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a right side perspective view thereof;

FIG. 4 is a left side perspective view thereof;

FIG. 5 is a front perspective view thereof; and,

FIG. 6 is a rear perspective view thereof.

FIGS. 1-6 show portions of an article of footwear in broken lines. The article of footwear portions illustrated in broken lines are shown for environmental purposes and do not form any part of the claimed design. Further, the broken lines immediately adjacent the solid-line portions of the design form the boundary of the design, with the broken lines forming no part of the claimed design. 

CLAIM The ornamental design for footwear sole, as shown and described. 